How to Repair a Cyclic Redundancy Check on a Hard Disk

A cyclic redundancy check error on a hard disk means that part of a file read from the hard disk doesn't match the expected value. A cyclic redundancy check error, in other words, means that files on your hard drive are corrupted. Repair a cyclic redundancy check error on a hard disk using the Check Disk tool in Windows.

...
Repair CRC errors and corrupt file systems with the Check Disk tool.

Step

Click "Start" and click "Computer."

Step

Right-click the hard disk with the cyclic redundancy check error under "Hard Disk Drives" and click "Properties."

Step

Click the "Tools" tab at the top of the hard disk "Properties" window.

Step

Click "Check Now" under "Error Checking."

Step

Select "Automatically Fix File System Errors" and "Scan for and Attempt Recovery of Bad Sectors" in the "Check Disk" window by clicking each option if it isn't already selected.

Step

Start a disk check and repair by clicking "Start" in the "Check Disk" window.

Step

Click "Yes" if the "Do you want to schedule the disk check to occur the next time you restart the computer?" prompt appears. A disk can't be checked if it's in use, so you'll need to restart Windows to check it.

Step

Restart your computer by clicking "Start," clicking the arrow icon to the right of "Shut Down" and clicking "Restart."